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Robert Half Logo Robert Half · IT - Software Development

Principal Java Developer

United States, Portsmouth · Job Posted February 20, 2026
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Job Description

We’re looking for a Principal Java Developer to lead the design and development of high‑performance applications in a modern, containerized environment. In this role, you’ll drive architectural decisions, mentor the engineering team, and own the full development lifecycle from concept to deployment.

Job Responsibility

  • Lead the design and development of high‑performance applications in a modern, containerized environment
  • Drive architectural decisions
  • Mentor the engineering team
  • Own the full development lifecycle from concept to deployment

Requirements

  • Deep expertise in Java and modern Java frameworks
  • Strong experience deploying code to containerized environments (Docker, Kubernetes, etc.)
  • Background in building scalable, cloud‑ready services
  • Ability to lead technical strategy and guide engineering best practices

What we offer

  • Medical, vision, dental, and life and disability insurance
  • Eligible to enroll in company 401(k) plan
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